<form action="/books/" method="post">
    <label><span>图书编号:</span></label>
    <input type="text" name="bookno" style="width: 120px">
    <label><span>图书名称:</span></label>
    <input type="text" name="bookname" style="width: 120px">
    <label><span>作者:</span></label>
    <input type="text" name="author" style="width: 120px">
    <label><span>出版社:</span></label>
    <input type="text" name="publisher" style="width: 120px">
    <input type="submit" value="查询">
</form>